core: strip C-L from any request with a T-E header
  resolves external origin CAN-2005-2088 issues, does not
  address internal origin C-L/T-E discrepancies within proxy_http

Security: CVE CAN-2005-2088
Submitted by: Joe Orton
Reviewed by:  Jeff Trawick, Will Rowe


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.0.x@219061 13f79535-47bb-0310-9956-ffa450edef68